General description The Portable Handheld Fan is an outdoor semiconductor refrigeration air cooler designed for convenience and efficiency. It features a rechargeable 2000mAh battery, making it ideal for outdoor activities and hot weather. The fan offers multiple speed settings and cooling capabilities, ensuring comfort wherever you go. Technical specifications Battery voltage: 3.7V Working current: 0.2-2A Working power: 1W (first gear), 2W (second gear), 3W (third gear) Input voltage/current: DC5V/2A Battery capacity: 2000mAh (18650 battery) Charging time: 2-2.5 hours (5V-2A) Dimensions: 158x59x59mm Usage First speed fan: approximately 9 hours Second speed fan: approximately 5 hours Third speed fan: approximately 3 hours Fan + cooling: approximately 1.5 hours Other information Package Contents: 1 * Handheld Cooling Fan, 1 * USB Cable Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement